Relationship between bone mineral density and body compositions, strength, type of sport competition, vitamin D and birth-related factors in elite Polish track and field athletes: a cross-sectional study

| Franjo Lovric

Jakub Bałdykaa,*, Anna Kopiczkob
aDepartment of Theory of Sport, Józef Piłsudski University of Physical Education in Warsaw, Poland
bDepartment of Human Biology, Anthropology Section, Józef Piłsudski University of Physical Education in
Warsaw, Poland